100442044 has 6 divisors (see below), whose sum is σ = 175773584. Its totient is φ = 50221020.

The previous prime is 100442039. The next prime is 100442053. The reversal of 100442044 is 440244001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555252 + ... + 12555259.

Almost surely, 2^100442044 is an apocalyptic number.

It is an amenable number.

100442044 is a deficient number, since it is larger than the sum of its proper divisors (75331540).

100442044 is a wasteful number, since it uses less digits than its factorization.

100442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110515 (or 25110513 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 100442044 is about 10022.0778284745. The cubic root of 100442044 is about 464.8418069049.

Adding to 100442044 its reverse (440244001), we get a palindrome (540686045).

The spelling of 100442044 in words is "one hundred million, four hundred forty-two thousand, forty-four".